def test_bitfinex_has_pairs_on_start(event_loop):
# start app with full functionality.
# And with real bitfinex exchange.
# After app.exchanges.schedule() finishing
# exchanges.pairs should contain all bitfinex's from config.
# 1. construct bitfinex's real config for app
bitfinex_config_str = """
bitfinex:
fee: 0.01
limit: 0
interval: 1.0
fetch_balances_interval: 0.5
transport:
websocket_base_url: 'wss://api.bitfinex.com/ws/2'
http_base_url: https://api.bitfinex.com/v1
key: dummy-key
secret: dummy-key
"""
bitfinex_config = yaml.load(bitfinex_config_str)
# 2. start app with this real config
app = get_app(event_loop, config={'exchanges': bitfinex_config})
event_loop.run_until_complete(app.exchanges.schedule()) # type: ignore
pair_offer_map = app.exchanges.get_pair_offer_map() # type: ignore
event_loop.run_until_complete(app.exchanges.stop()) # type: ignore
event_loop.run_until_complete(app.stop())
# 3. exchanges.pair_offers_map should contain all pairs from config.
for pair in ['BTCUSD', 'LTCUSD']:
assert pair in pair_offer_map
assert (o.pair == pair and o.exchange.name == 'bitfinex'
for o in pair_offer_map['BTCUSD'])
def test_get_pair_offer_map(event_loop, input, expected):
app = get_app(event_loop)
async def run():
async with app.context():
pair_offers_map = app.exchanges.get_pair_offer_map( # type: ignore
pair_names=input)
assert set(pair_offers_map) == set(expected)
event_loop.run_until_complete(run())
def test_default_config(event_loop):
"""Exchange should correctly inherit default config."""
custom_fee = 1.0
app = get_app(
event_loop,
config={'exchanges': {
'left': {
'fee': custom_fee,
'transport': {}
}
}})
async def run():
async with app.context():
exchange = app.exchanges.get('left') # type: ignore
assert exchange.fee == custom_fee
event_loop.run_until_complete(run())
def test_currency_limits(event_loop, pair_limits, pairs, expected):
"""`currency_limits` should be generated from `pair_limits` in correct way."""
app = get_app(event_loop,
config={
'exchanges': {
'left': {
'pair_limits': pair_limits,
'transport': {}
}
}
})
async def run():
async with app.context():
exchange = app.exchanges.get('left') # type: ignore
exchange.pairs = defaultdict(lambda: defaultdict(float), pairs)
assert exchange.get_currency_limits() == expected
event_loop.run_until_complete(run())
def test_default_limit(event_loop):
"""Exchange inherit default limit of pair."""
exchange = get_app(event_loop).exchanges.get('left') # type: ignore
assert exchange.get_pair_limit('does not exist') == 1.0